diff --git a/lib/makefile b/lib/makefile
index b19c19c..0a08d75 100644
--- a/lib/makefile
+++ b/lib/makefile
@@ -17,8 +17,8 @@ libm.lib:	$(CLIB)
 
 
 clobber:        clean
-	-$(RM) libm.lib status.me
+	-$(RM) status.me
 
 clean:
-	-$(RM) *.obj *.bak
+	-$(RM) *.obj *.bak libm.lib
 
diff --git a/utils/exeflat.c b/utils/exeflat.c
index 8e93b0d..f20c1c6 100644
--- a/utils/exeflat.c
+++ b/utils/exeflat.c
@@ -73,7 +73,7 @@ int compReloc(const void *p1, const void *p2)
   return 0;
 }
 
-void usage()
+void usage(void)
 {
   printf("usage: exeflat (src.exe) (dest.sys) (relocation-factor)\n");
   printf
diff --git a/utils/makefile b/utils/makefile
index de2c2b4..dde637a 100644
--- a/utils/makefile
+++ b/utils/makefile
@@ -12,8 +12,8 @@ exeflat.exe: exeflat.c ..\hdr\exe.h
 
 
 clobber: clean
-	$(RM) bin2c.com exeflat.exe patchobj.com
 
 clean:
 	$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.las *.cod *.err status.me
+	$(RM) exeflat.exe patchobj.com